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LOJ ා 115. Upper and lower bound feasible flow of passive sink

#115. Passive sink has upper and lower bound feasible flow describe ...
10:58 5 May 2020

Python Crawler - Crawl Jitter Short Video

Catalog Preface Tremble Crawler Production Selected Pages Analyzing Web Pages Extract id to construct web address St...
10:58 5 May 2020

Configuring eslint in vscode

Install Nodejs and then eslint Use global installation: n...
10:25 5 May 2020

Class dump installation method

Rootless, a new feature added in Mac system 10.11, limits the permission of root user (/ usr/bin, no change allowed). Ch...
9:51 5 May 2020

Using jQuery to get the list collection stored in the session

I found a lot of information on the Internet that jQuery can't get session. If you have a better way, please leave a mes...
9:41 5 May 2020

Unix Domain Socket

add by zhj: Unix Domain Socket is the optimization of network socket, which is applicable to the situation that the serv...
9:12 5 May 2020

Packaging Web foreground programs with Ant

Summary This article uses a simple Web projec...
9:00 5 May 2020

tornado server implementation principles

The tornado version analyzed in this paper is 1.0.0, which has a relatively small amount of code to help us find its cor...
8:53 5 May 2020

Palindrome string algorithm Manacher

Palindrome string algorithm Manacher First, i...
8:07 5 May 2020

Single click highlight effect of cesium 3dfiles model

Preface Address of api documents on cesium official website cesium official website api , which details the introductio...
7:57 5 May 2020

SeekBar realizes that the network acquired pictures slide with thumb and are in the middle position

A demo introduction This demo realizes the seekbar sliding effect. The picture slides with thumb, which is located in th...
7:47 5 May 2020

Remember the problems encountered when using the MyBatis paging plug-in

Problem description in use Mybatis-PageHelper When paging, the result set queried is a nested result. At this time, it i...
7:44 5 May 2020

Volley tutorial (including instance demo)

Development data Looking up some materials, I...
6:49 5 May 2020

Extjs to display and hide password box

As it seems that extjs can't change the type attribute of text box, it can't change the type dynamically. The idea of im...
6:42 5 May 2020

Element modification of java: list collection

The principle is to delete the old elements before adding new ones, not to modify the old elements directly ...
6:27 5 May 2020

Get data + play source through QQ music interface

Recently, I am learning to make a web mobile music player. Because I don't want to make a database to store data, I am l...
6:21 5 May 2020

From zero to achieve a word to fight game practice Chapter 6: to achieve friend word to fight

The core of the realization of the war is to watch Based on the encapsulation of webSocket, the cloud development data s...
6:13 5 May 2020

How is the random algorithm of wechat red packet implemented?

I see such a problem in Zhihu How is the random algorithm of wechat red packet implemented? Some people say that Tencent...
5:11 5 May 2020

Generating a random graph by degree sequence

This is the first matlab program I wrote. Under the pressure of the teacher, I have to implement the pseudo code in the ...
4:04 5 May 2020

Java learning note 52 (network programming: UDP protocol case)

InetAddress class: Represents the IP address in the Inter...
3:36 5 May 2020

Gin go learning note 4: upload and download of gin web framework file

File upload and download 1 - > file upload File upload...
3:02 5 May 2020

Spring boot + neo4j ☞ create a multi-point network

Based on the simple practice of the first two articles, we will continue to talk about the application of Neo4j, simulat...
2:52 5 May 2020

Zabbix monitoring MySQL under Windows

1. Create monitoring account in MySQL GRANT PROCESS,REPLICATION CLIENT ON *.* TO mysql_monitor@'localhost' IDENTIFIED BY...
2:43 5 May 2020

Be careful with ToLower and ToUpper. Be careful to drag your system down

I don't know when to start. Many programmers like to use ToLower and ToUpper to realize string equality comparison that ...
2:36 5 May 2020

Front modal box assembly

js is an object-oriented function, but it is different from the object-oriented function of c + +. When the object-orien...
1:17 5 May 2020

Chinese encoding of HttpClient request parameters

Catalog problem problem analysis problem First, let's see how we normally use HttpClient to handle POST requests...
1:08 5 May 2020

Data structure and algorithm series XIX (binary search 2)

1. Introduction 1.1. Why study data structure and algorithm? ...
0:51 5 May 2020

Test the query efficiency of mapping Hbase table to Hive table

1, Preparation: 1. Write a program to write 10 million pieces of data into the Hbase table; 2. Map the corresponding Hb...
0:24 5 May 2020

Teacher, are you sure Java annotations will not be executed?

Previously, I shared an article on my blog about comments in Java and wrote a word with oath: "Comments will not be...
0:22 5 May 2020

Java learning notes 48 (DBUtils tool class I)

As can be seen from the example in the previous article, when adding, deleting, modifying and querying, a lot of code is...
0:19 5 May 2020